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Harmful Algal Blooms in Full Bloom
Students calculate the total percentage of samples from the data on the graphs. For this marine science lesson, students analyze the concentration levels over a period of time. They suggest ways to lessen the effect of these blooms.
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Probability
Eighth graders relate real life events with probability. In this probability instructional activity, 8th graders investigate using coin toss, discuss NBA shooting percentages and MLB batting averages. Students also complete a...
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Changing Fractions to Percents
In this fractions to percents activity, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.
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Parting Ways
Students become part of the solution as they practice figuring percents. The number of men versus women present in the room and their heights can be used to form the basis of this investigation.
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Lucky Number
Students use data from simulations to make theoretical generalizations. They discuss possible relationships between several given events and gain understanding about their own mathematical intuition about likelihood.
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Selling Price
Learners work independently to complete a problem solving activity that involves percent. This lesson is designed to be used as an assessment following a unit on percents. Students are presented with a problem involving a store that is...
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What Should I Wear Today?
Fourth graders examine weather data for Columbus, Ohio using an Internet resource. They complete a two day and a weekly weather charts before discussing the information. After the discussion, they answer questions about the charts...
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From 3 To 30, By Threes
In this from three to thirty by threes worksheet, students practice completing a multiplication table utilizing only multiples of three.
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Percent Of 2-Digit Numbers
In this percentage worksheet, students find percentages of 10 two-digit numbers. Problems include finding more than 100% of a number.
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Equivalent Numbers
Pupils work together matching numbers on index cards. They must match numbers in different forms, such a fractions and percentages. They compete with other groups in the class to get the most correct.
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Kansas vs the U.S.
Students demonstrate an understanding of the physical and political geography of Kansas. They view maps and films to gain knowledge of Kansas. They calculate the percentage Kansas harvests for each crop out of the national total.
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Finding the Percent of a Number in Fish Body Weight
Students use fractions to find the weight of fish. They use percentages to determine the correct amount to feed them. They organize their data into a graph and shares with the class.
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What's Happening Below The Surface?
Students determine the soil composition of soil layers in their area. They collect soil samples, calculate the percentage soil water content, analyze data, and evaluate each site for future tree growth.
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The Tip of the Iceberg
Learners discover the percentage of an iceberg that is above and below the water surface. They compare salt water icebergs and fresh water icebergs and if they behave the same of differently. They work with their lab group to perform...
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Graphing the West Corridor Data
Pupils engage in a lesson plan which introduces them to using graphical analysis of data to analyze flaws in a transit system's design. They evaluate factors such as ride time, wait time, and percentage of capacity used in a train....
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What do Bison Eat?
Students identify the three major categories of food eaten by bison. In groups, they collect examples of grass and forbs and press them. They complete a chart of the percentages of each type of food the bison eat in a day. They...
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Earth: the Apple of Our Eye
Young scholars dissect an apple to model the percentage of land on Earth that can be used as a food-producing resource. They use fractions to determine the habitable and agriculture area of the apple.
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Kari's Earth Care
Students explore caring for their community. They select an area of a park to clean and collect trash. They place materials in trash bags to recycle plastic, paper, etc. They calculate the amount of items and percentages they collect...
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Demographic Changes in 19th Century England and Wales
Students examine population in England and Wales during the period of 1801-1911. They calculate the percentage of population and how it changed from one census to the next in various towns. They record data on a spreadsheet and create...
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World Education Statistics
Students use a spreadsheet from The Digest of Education Statistics and convert the statistics to percentages, and create a chart of their new data. Students discuss their findings about the disparities in educational spending among...
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Mathematical Magazines
Students use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of logical...
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Mitosis
Students explore the four stages of mitosis. They view a prepared slide of an onion root tip undergoing mitosis to identify the stage for each cell in view. They record the number of cells in each stage, graph the results, then calcualte...
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Layering of Water
Students examine what happens when different types of water meet. In groups, they participate in an activity in which they combine different percentages of salt, fresh and brackish water and record their observations. They let the...
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Raising Money for Government Services
High schoolers evaluate how money is raised to pay for government services. They describe why governments need revenue to provide goods and services. They create a list of government expenditures at the federal, state and local levels....
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